6490685 has 16 divisors (see below), whose sum is σ = 8683200. Its totient is φ = 4628736.

The previous prime is 6490667. The next prime is 6490691. The reversal of 6490685 is 5860946.

It is a cyclic number.

It is not a de Polignac number, because 6490685 - 2¹² = 6486589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395 + ... + 3624.

It is an arithmetic number, because the mean of its divisors is an integer number (542700).

Almost surely, 2^6490685 is an apocalyptic number.

It is an amenable number.

6490685 is a deficient number, since it is larger than the sum of its proper divisors (2192515).

6490685 is a wasteful number, since it uses less digits than its factorization.

6490685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4060.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 6490685 is about 2547.6822800341. The cubic root of 6490685 is about 186.5363656275.

The spelling of 6490685 in words is "six million, four hundred ninety thousand, six hundred eighty-five".